Regional Weather Roundup
Issued by NWS

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786
ASUS43 KLOT 100106
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 PM CST TUE DEC 09 2025

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.

* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
  REPORT WEATHER SUCH AS PRECIPITATION OR FOG.

ILZ001-002-007-009-015-016-024-100200-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLOUDY    39  32  76 SW8       29.47S WCI  33 TC   4
STERLING*      MOCLDY    36  33  89 CALM      29.49F TC   2
$$

ILZ003-004-008-010-011-017-018-100200-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       LGT RAIN  34  32  92 SE12G20   29.49F FOG     WCI  25
FREEPORT*      CLOUDY    36  33  89 S9        29.49S WCI  29 TC   2
DE KALB*       MIX PCPN  33  32  96 SE8G16    29.51F WCI  26 TC   1
PERU*          CLOUDY    37  32  82 S17       29.49F WCI  27 TC   3
$$

ILZ005-006-012>014-019>023-100200-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  LGT RAIN  35  31  85 S8        29.54F WCI  29 TC   2
CHICAGO-MIDWAY DRIZZLE   36  31  82 S12       29.56F WCI  28 TC   2
AURORA         LGT RAIN  34  32  92 S14       29.53F FOG     WCI  25
JOLIET*        RAIN      37  34  89 S7        29.56F WCI  32 TC   3
WAUKEGAN       LGT RAIN  33  32  96 S8        29.53F WCI  26 TC   1
DUPAGE AIRPORT LGT RAIN  34  32  92 S13       29.53F WCI  25 TC   1
WHEELING       LGT RAIN  35  32  88 S10       29.55F WCI  27 TC   2
MORRIS*        LGT RAIN  36  33  91 S6        29.55F WCI  31 TC   2
ROMEOVILLE*    CLOUDY    36  34  93 S14       29.56F WCI  27 TC   2
LANSING*       LGT RAIN  35  28  77 S9        29.60F WCI  27 TC   2
NORTHERLY ISL*   N/A     35  31  85 S7          N/A  WCI  29 TC   2
$$

LMZ740>746-100200-
SOUTHERN LAKE MICHIGAN

STATION/POSITION SKY/WX   TEMP    WIND        PRES    VSBY  WAVE
                          AIR SEA DIR/SP/G                  HT/PER
                          (F)     (DEG/KT/KT) (MB)    (MI)  (FT/S)
HARRISON CRIB              36     180/ 17/ 18   N/A
NORTHERLY ISL              35     190/  8/ 12   N/A
CALUMET HARBOR             35     160/  9/ 12 1002.0
BURNS HARBOR               36     180/  8/ 10 1003.0F
MICHIGAN CITY              36     190/ 10/ 12 1003.0F
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-100200-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLOUDY    42  33  70 S13       29.53F TC   6
GALESBURG*     CLOUDY    39  36  89 S10       29.51R WCI  32 TC   4
MACOMB*        CLOUDY    40  33  76 S14       29.52F TC   5
JACKSONVILLE*  CLOUDY    43  32  65 S15G22    29.56F TC   6
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-100200-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        CLOUDY    37  32  83 S15       29.56F WCI  28 TC   3
BLOOMINGTON    CLOUDY    37  33  85 S20G26    29.57F WCI  27 TC   3
DECATUR        CLOUDY    38  32  79 S22G30    29.62F WCI  27 TC   3
PEORIA         CLOUDY    39  33  79 S17G24    29.52F WCI  30 TC   4
LINCOLN*       CLOUDY    39  31  73 S21       29.58F WCI  29 TC   4
SPRINGFIELD    CLOUDY    40  33  76 S21G36    29.58F TC   4
TAYLORVILLE    CLOUDY    37  33  84 S17G28    29.63F WCI  28 TC   3
$$

ILZ033-039-045-046-055>057-062-063-100200-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      CLOUDY    36  32  85 S20       29.64F WCI  25 TC   2
RANTOUL*       CLOUDY    36  32  85 S14G22    29.62F WCI  27 TC   2
MATTOON        CLOUDY    38  32  79 S16G31    29.67F WCI  29 TC   3
PARIS*         CLOUDY    38  32  77 S23G29    29.69F WCI  28 TC   4
$$

ILZ079-100>102-100200-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLEAR     45  34  65 S17       29.66F TC   7
BELLEVILLE     MOCLDY    44  34  68 SW18G24   29.68F TC   7
CAHOKIA*       MOCLDY    46  34  62 S12       29.67  TC   8
SPARTA*        MOCLDY    41  33  75 S16G23    29.73F TC   5
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-100200-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     MOCLDY    41  36  82 S24G31    29.78F TC   5
CAIRO*         MOCLDY    43  36  74 S13G18    29.88S TC   6
EFFINGHAM*     CLOUDY    39  33  78 S13G18    29.73F WCI  32 TC   4
MARION         MOCLDY    41  36  81 S21G26    29.79F TC   5
MT. VERNON     MOCLDY   N/A N/A N/A S20       29.76F
CENTRALIA*     CLOUDY    40  34  80 S17G26    29.73F TC   4
SALEM*         CLOUDY    40  34  77 S16       29.73F TC   5
METROPOLIS*    PTCLDY    44  32  64 S10G16    29.87S TC   7
$$

ILZ067-068-072-073-078-083-087-091-100200-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  CLOUDY    42  32  67 S13       29.78S TC   6
FLORA*         CLOUDY    39  34  81 S16G22    29.76S WCI  30 TC   4
FAIRFIELD*     CLOUDY    40  33  76 S12       29.77F TC   5
HARRISBURG*    MOCLDY    42  32  67 S9        29.81F TC   6
ROBINSON*      CLOUDY    43  34  70 SW15G22   29.76R TC   6
$$

ABBREVIATIONS USED IN REMARKS
   TC - TEMPERATURE IN CELSIUS
  WCI - WIND CHILL INDEX
   HX - HEAT INDEX
  VSB - VISIBILITY
$$